The v3.15.1 release is a patch release that addresses a regression in the v3.15.0 release. See the v3.15.0 release notes for details on upgrading from v3.14.x.
The v3.15.1 release is a patch release that addresses a regression in the v3.15.0 release. See the v3.15.0 release notes for details on upgrading from v3.14.x.